Marin Bikes

Bolinas Ridge 1

Marin Bolinas Ridge 1 29 profile, green. Marin Bolinas Ridge 1 29 profile, blue.

See this bike in a different color:
  • Price: *
  • Suspension: SR/Suntour XCE Disc
  • Wheel Size: 29", 27.5"
  • Frame: Aluminum
  • Size Range: S, M, L, XL
  • Manufacturer’s suggested retail price may not include additional shipping or preparation charges. Please contact your local Marin dealer for a quote.

RECREATIONAL MOUNTAIN BIKING

ENTRY-LEVEL RIDERS

FITNESS DIRT ROAD RIDING

The perfect blend of performance, value and fun, the Bolinas Ridge is ideal for riders that are new to mountain biking or simply want a low-hassle, low-cost bike to explore off-road.

The Bolinas Ridge 1 is the best value model in the Bolinas family, offering bags of bang for very few bucks. Components include powerful Clark’s mechanical disc brakes, an SR/Suntour suspension fork and reliable and grippy off-road tires all of which are ideal to break out on the trails and push your own boundaries.

Depending on size, the Bolinas Ridge comes with either smaller 27.5” (sizes XS to M) wheels or larger (sizes M to XL) wheels to guarantee a perfect fit.

Jump to…

Specifications

  • Frame

    Series 1 6061 Aluminum, 27.5”/29" Wheels, Low Standover, 68mm BB shell, 135mm Forged Dropouts, Chainstay Mounted Disc Brakes

  • Front Suspension

    SR Suntour XCE Disc, 100mm Travel, Preload Adjustment, 46mm Offset

  • Rim

    Marin, Double Wall Alloy

  • Hub Rear

    Forged Alloy, Disc, 32H

  • Hub Front

    Forged Alloy, Disc, 32H

  • Spokes

    Black Stainless Steel

  • Tires

    MTB, 27.5/29x2.25"

  • Derailleur Rear

    Shimano Tourney, 7-Speed

  • Derailleur Front

    Shimano FD-TX500

  • Shift Lever

    Shimano Tourney 3x7-Speed

  • Crankset

    Alloy Crank, Steel Chainrings, 42/34/24T

  • Bottom Bracket

    Sealed Cartridge Bearings, Square Taper

  • Chain

    KMC Z8

  • Cassette

    Shimano, CSHG200, 7-Speed, 11-32T

  • Brakes Front

    Clark's CMD-23 Mechanical Disc, Shimano Pad Compatible, 160mm Rotor

  • Brakes Rear

    Clark's CMD-23 Mechanical Disc, Shimano Pad Compatible, 160mm Rotor

  • Brake Levers

    Shimano w/ Integrated Shifters

  • Handlebar

    Marin 31.8 Riser, 12mm Rise, 780mm Width

  • Stem

    Marin Alloy, 31.8mm, 45mm

  • Grips

    Marin MTB, Closed End

  • Headset

    FSA No.10-P

  • Seatpost

    Marin Alloy, 27.2mm

  • Saddle

    Marin MTB

  • Pedals

    Nylon Platform

Specifications, pricing, and availability are subject to change without notice.

Geometry

Bolinas Ridge 1 geometry diagram
XS S M (27.5) M (29) L XL XXL
Stack 586 592 596 622 626 631 640
Reach 420 435 445 445 465 485 505
Headtube Angle 67.5° 67.5° 67.5° 67° 67° 67° 67°
Headtube Length 100 105 110 110 115 120 130
Seattube Angle 74.5° 74.5° 74.5° 74.5° 74.5° 74.5° 74.5°
Seattube Length 330 381 431 431 481 520 559
Toptube Effective 583 599 610 617 639 660 683
BB Height 307 307 307 311.5 311.5 311.5 311.5
BB Drop 48 48 48 61 61 61 61
Chainstay 438 438 438 455 455 455 455
Wheelbase 1124 1141 1153 1184 1206 1228 1252
Standover Height 619 639 686 699 726 760 790
Fork Offset 42 42 42 46 46 46 46
Seatpost Diameter 27.2 27.2 27.2 27.2 27.2 27.2 27.2
Handlebar Width 780 780 780 780 780 780 780
Stem Length 45 45 45 45 45 45 45
Crank Length 170 170 170 170 170 170 170

All lengths in millimeters

Technology

Profile image of the Bolinas Ridge bike

SERIES 1 ALUMINUM FRAME

The Bolinas Ridge series has a disc specific Series 1 6061 aluminum
frame with a replaceable derailleur hanger and an integrated
headset.

Learn More
Detail image of the Bolinas Ridge mainframe

29” OR 27.5” WHEELS

The Bolinas Ridge has a growing wheel size for the best fit and
performance with the choice of 27.5” or 29” platforms on the size M,
27.5” wheels on size S, and 29” wheels on sizes L, XL, and XXL.

Detail shot of the Bolinas Ridge rear disc brake mount

DISC BRAKES

All Bolinas Ridge models feature disc brakes for minimal
maintenance and all-conditions stopping power.

Detail shot of the front end of the Bolinas Ridge

TRAIL READY COMPONENTS

The Bolinas Ridge line features durable double wall rims, serviceable
cassette freehubs, proven Shimano drivetrains, and readily available
parts that are built to last.